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(B) Aluminum LS3 Performance Production Level 1 Long Block
(B) Aluminum LS3 Performance Production Level 1 Long Block
$8,383.00
Thompson Motorsports CNC Ported 317 w/ Pac .660   Pin It  $1,299.00
Thompson Motorsports CNC Ported 317 w/ Pac .660
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Thompson Motorsports CNC Ported 317 w/ Pac .660

 Included items:

CNC Ported Ls3
Pac.660
Titanium retainers spring locators and high lift seals
GM Valves
CNC port intake runners
CNC port exhaust runners
Surface heads
Face intake surface and exhaust surface
True valve cover rail
Performance 5 angle valve job
Logo heads
Assemble heads
 
317 CNC STAGE 1 INTAKE 235CC EXHAUST 95CC  
STOCK VALVES      
INTAKE CFM EXHAUST CFM
.100" 78 .100" 57
.200" 138 .200" 106
.300" 204 .300" 140
.400" 259 .400" 166
.500" 288 .500" 185
.600" 306 .600" 194
.650" 310 .650" 197
.700" 313 .700" 200
 
 
 
***dealer and wholesale accounts available, call for details***
 
 **please call for rush orders**
 
 We make every effort to keep these motors/heads in stock, however build times can vary. So please call to verify the build time of your motor/heads.

Available Options:
valve upgrade:
This product was added to our catalog on Friday 15 July, 2016.
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